61857898962 has 32 divisors (see below), whose sum is σ = 124739391744. Its totient is φ = 20448901200.

The previous prime is 61857898961. The next prime is 61857898969. The reversal of 61857898962 is 26989875816.

It is not an unprimeable number, because it can be changed into a prime (61857898961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1254637 + ... + 1303007.

It is an arithmetic number, because the mean of its divisors is an integer number (3898105992).

Almost surely, 2^61857898962 is an apocalyptic number.

61857898962 is an abundant number, since it is smaller than the sum of its proper divisors (62881492782).

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

61857898962 is a wasteful number, since it uses less digits than its factorization.

61857898962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50134.

The product of its digits is 104509440, while the sum is 69.

The spelling of 61857898962 in words is "sixty-one billion, eight hundred fifty-seven million, eight hundred ninety-eight thousand, nine hundred sixty-two".