88771961 has 2 divisors, whose sum is σ = 88771962. Its totient is φ = 88771960.

The previous prime is 88771951. The next prime is 88771967. The reversal of 88771961 is 16917788.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48385936 + 40386025 = 6956^2 + 6355^2 .

It is a cyclic number.

It is not a de Polignac number, because 88771961 - 2¹⁴ = 88755577 is a prime.

It is a super-2 number, since 2×88771961² = 15760922119571042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (88771967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44385980 + 44385981.

It is an arithmetic number, because the mean of its divisors is an integer number (44385981).

Almost surely, 2^88771961 is an apocalyptic number.

It is an amenable number.

88771961 is a deficient number, since it is larger than the sum of its proper divisors (1).

88771961 is an equidigital number, since it uses as much as digits as its factorization.

88771961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 47.

The square root of 88771961 is about 9421.8873374712. The cubic root of 88771961 is about 446.0928590659.

The spelling of 88771961 in words is "eighty-eight million, seven hundred seventy-one thousand, nine hundred sixty-one".