1026770978 has 8 divisors (see below), whose sum is σ = 1545599568. Its totient is φ = 511571124.

The previous prime is 1026770939. The next prime is 1026770989. The reversal of 1026770978 is 8790776201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906476 + ... + 907607.

It is an arithmetic number, because the mean of its divisors is an integer number (193199946).

Almost surely, 2^1026770978 is an apocalyptic number.

1026770978 is a deficient number, since it is larger than the sum of its proper divisors (518828590).

1026770978 is a wasteful number, since it uses less digits than its factorization.

1026770978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814368.

The product of its (nonzero) digits is 296352, while the sum is 47.

The square root of 1026770978 is about 32043.2672803508. The cubic root of 1026770978 is about 1008.8451912501.

The spelling of 1026770978 in words is "one billion, twenty-six million, seven hundred seventy thousand, nine hundred seventy-eight".