62797840921 has 4 divisors (see below), whose sum is σ = 62815082512. Its totient is φ = 62780599332.

The previous prime is 62797840883. The next prime is 62797840951. The reversal of 62797840921 is 12904879726.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 62797840921 - 2⁷ = 62797840793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (62797840951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8615331 + ... + 8622616.

It is an arithmetic number, because the mean of its divisors is an integer number (15703770628).

Almost surely, 2^62797840921 is an apocalyptic number.

It is an amenable number.

62797840921 is a deficient number, since it is larger than the sum of its proper divisors (17241591).

62797840921 is a wasteful number, since it uses less digits than its factorization.

62797840921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17241590.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 62797840921 in words is "sixty-two billion, seven hundred ninety-seven million, eight hundred forty thousand, nine hundred twenty-one".