77000331 has 8 divisors (see below), whose sum is σ = 108070720. Its totient is φ = 48631752.

The previous prime is 77000321. The next prime is 77000377. The reversal of 77000331 is 13300077.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77000331 - 2¹⁷ = 76869259 is a prime.

It is a super-2 number, since 2×77000331² = 11858101948219122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77000298 and 77000307.

It is not an unprimeable number, because it can be changed into a prime (77000321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675385 + ... + 675498.

It is an arithmetic number, because the mean of its divisors is an integer number (13508840).

Almost surely, 2^77000331 is an apocalyptic number.

77000331 is a deficient number, since it is larger than the sum of its proper divisors (31070389).

77000331 is a wasteful number, since it uses less digits than its factorization.

77000331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350905.

The product of its (nonzero) digits is 441, while the sum is 21.

The square root of 77000331 is about 8774.9832478473. The cubic root of 77000331 is about 425.4326961124.

The spelling of 77000331 in words is "seventy-seven million, three hundred thirty-one", and thus it is an aban number.