977250442 has 16 divisors (see below), whose sum is σ = 1690114752. Its totient is φ = 415114560.

The previous prime is 977250431. The next prime is 977250451. The reversal of 977250442 is 244052779.

It is a junction number, because it is equal to n+sod(n) for n = 977250395 and 977250404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307284 + ... + 310447.

It is an arithmetic number, because the mean of its divisors is an integer number (105632172).

Almost surely, 2^977250442 is an apocalyptic number.

977250442 is a deficient number, since it is larger than the sum of its proper divisors (712864310).

977250442 is a wasteful number, since it uses less digits than its factorization.

977250442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617853.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 977250442 is about 31261.0051341923. The cubic root of 977250442 is about 992.3585712987.

The spelling of 977250442 in words is "nine hundred seventy-seven million, two hundred fifty thousand, four hundred forty-two".