970881855 has 32 divisors (see below), whose sum is σ = 1638316800. Its totient is φ = 489606912.

The previous prime is 970881767. The next prime is 970881869. The reversal of 970881855 is 558188079.

It is not a de Polignac number, because 970881855 - 2¹⁰ = 970880831 is a prime.

It is a super-2 number, since 2×970881855² = 1885223152736482050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 970881798 and 970881807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159172 + ... + 165158.

It is an arithmetic number, because the mean of its divisors is an integer number (51197400).

Almost surely, 2^970881855 is an apocalyptic number.

970881855 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

970881855 is a deficient number, since it is larger than the sum of its proper divisors (667434945).

970881855 is a wasteful number, since it uses less digits than its factorization.

970881855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6583.

The product of its (nonzero) digits is 806400, while the sum is 51.

The square root of 970881855 is about 31158.9771173574. The cubic root of 970881855 is about 990.1981900938.

The spelling of 970881855 in words is "nine hundred seventy million, eight hundred eighty-one thousand, eight hundred fifty-five".