86494640958 has 48 divisors (see below), whose sum is σ = 204513519600. Its totient is φ = 26201312640.

The previous prime is 86494640957. The next prime is 86494640989. The reversal of 86494640958 is 85904649468.

86494640958 is a `hidden beast` number, since 86 + 4 + 9 + 464 + 0 + 95 + 8 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 86494640895 and 86494640904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86494640951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 500898 + ... + 651066.

It is an arithmetic number, because the mean of its divisors is an integer number (4260698325).

Almost surely, 2^86494640958 is an apocalyptic number.

86494640958 is an abundant number, since it is smaller than the sum of its proper divisors (118018878642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86494640958 is a wasteful number, since it uses less digits than its factorization.

86494640958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153097 (or 153094 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 63.

The spelling of 86494640958 in words is "eighty-six billion, four hundred ninety-four million, six hundred forty thousand, nine hundred fifty-eight".