97825078 has 32 divisors (see below), whose sum is σ = 161663040. Its totient is φ = 44123520.

The previous prime is 97825069. The next prime is 97825087. The reversal of 97825078 is 87052879.

97825078 is a nontrivial binomial coefficient, being equal to C(13988, 2).

It is an interprime number because it is at equal distance from previous prime (97825069) and next prime (97825087).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363528 + ... + 363796.

It is an arithmetic number, because the mean of its divisors is an integer number (5051970).

Almost surely, 2^97825078 is an apocalyptic number.

97825078 is the 13987-th triangular number and also the 6994-th hexagonal number.

97825078 is the 4663-rd centered nonagonal number.

97825078 is a deficient number, since it is larger than the sum of its proper divisors (63837962).

97825078 is a wasteful number, since it uses less digits than its factorization.

97825078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 97825078 is about 9890.6560955277. The cubic root of 97825078 is about 460.7691574238.

The spelling of 97825078 in words is "ninety-seven million, eight hundred twenty-five thousand, seventy-eight".