770485531 has 2 divisors, whose sum is σ = 770485532. Its totient is φ = 770485530.

The previous prime is 770485519. The next prime is 770485559. The reversal of 770485531 is 135584077.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 770485531 - 2⁷ = 770485403 is a prime.

It is a super-2 number, since 2×770485531² = 1187295906960703922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (770485561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385242765 + 385242766.

It is an arithmetic number, because the mean of its divisors is an integer number (385242766).

Almost surely, 2^770485531 is an apocalyptic number.

770485531 is a deficient number, since it is larger than the sum of its proper divisors (1).

770485531 is an equidigital number, since it uses as much as digits as its factorization.

770485531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 770485531 is about 27757.6211336635. The cubic root of 770485531 is about 916.7582547532.

The spelling of 770485531 in words is "seven hundred seventy million, four hundred eighty-five thousand, five hundred thirty-one".