97951478 has 12 divisors (see below), whose sum is σ = 150126612. Its totient is φ = 47931540.

The previous prime is 97951453. The next prime is 97951481. The reversal of 97951478 is 87415979.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6668 + ... + 15503.

It is an arithmetic number, because the mean of its divisors is an integer number (12510551).

Almost surely, 2^97951478 is an apocalyptic number.

97951478 is a deficient number, since it is larger than the sum of its proper divisors (52175134).

97951478 is a wasteful number, since it uses less digits than its factorization.

97951478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22267 (or 22220 counting only the distinct ones).

The product of its digits is 635040, while the sum is 50.

The square root of 97951478 is about 9897.0439020952. The cubic root of 97951478 is about 460.9675256273.

The spelling of 97951478 in words is "ninety-seven million, nine hundred fifty-one thousand, four hundred seventy-eight".