62478891 has 16 divisors (see below), whose sum is σ = 94309920. Its totient is φ = 40865760.

The previous prime is 62478883. The next prime is 62478901. The reversal of 62478891 is 19887426.

It is not a de Polignac number, because 62478891 - 2³ = 62478883 is a prime.

It is a super-2 number, since 2×62478891² = 7807223641179762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (62478811) 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, 20400 + ... + 23261.

It is an arithmetic number, because the mean of its divisors is an integer number (5894370).

Almost surely, 2^62478891 is an apocalyptic number.

62478891 is a deficient number, since it is larger than the sum of its proper divisors (31831029).

62478891 is a wasteful number, since it uses less digits than its factorization.

62478891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43723 (or 43717 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 62478891 is about 7904.3589872930. The cubic root of 62478891 is about 396.8055800295.

The spelling of 62478891 in words is "sixty-two million, four hundred seventy-eight thousand, eight hundred ninety-one".