62447978892 has 72 divisors (see below), whose sum is σ = 162872693760. Its totient is φ = 18594912960.

The previous prime is 62447978869. The next prime is 62447978933. The reversal of 62447978892 is 29887974426.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 433792 + ... + 559527.

Almost surely, 2^62447978892 is an apocalyptic number.

62447978892 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

62447978892 is an abundant number, since it is smaller than the sum of its proper divisors (100424714868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

62447978892 is a wasteful number, since it uses less digits than its factorization.

62447978892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993383 (or 993368 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 66.

The spelling of 62447978892 in words is "sixty-two billion, four hundred forty-seven million, nine hundred seventy-eight thousand, eight hundred ninety-two".