78462954 has 24 divisors (see below), whose sum is σ = 170309412. Its totient is φ = 26107200.

The previous prime is 78462947. The next prime is 78463001. The reversal of 78462954 is 45926487.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 71318025 + 7144929 = 8445^2 + 2673^2 .

It is a super-2 number, since 2×78462954² = 12312870300812232, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7192 + ... + 14444.

Almost surely, 2^78462954 is an apocalyptic number.

78462954 is an abundant number, since it is smaller than the sum of its proper divisors (91846458).

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

78462954 is a wasteful number, since it uses less digits than its factorization.

78462954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7862 (or 7859 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 78462954 is about 8857.9316998947. The cubic root of 78462954 is about 428.1095193863.

The spelling of 78462954 in words is "seventy-eight million, four hundred sixty-two thousand, nine hundred fifty-four".