80857962 has 24 divisors (see below), whose sum is σ = 175835556. Its totient is φ = 26853696.

The previous prime is 80857957. The next prime is 80857981. The reversal of 80857962 is 26975808.

It can be written as a sum of positive squares in 2 ways, for example, as 80838081 + 19881 = 8991^2 + 141^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3123 + ... + 13094.

Almost surely, 2^80857962 is an apocalyptic number.

80857962 is an abundant number, since it is smaller than the sum of its proper divisors (94977594).

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

80857962 is a wasteful number, since it uses less digits than its factorization.

80857962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16502 (or 16499 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 80857962 is about 8992.1055376369. The cubic root of 80857962 is about 432.4218166449.

The spelling of 80857962 in words is "eighty million, eight hundred fifty-seven thousand, nine hundred sixty-two".